Sun Pharmaceutical Industries Ltd. (SUNP), India’s largest drugmaker by market value, is looking for acquisitions in Europe including a possible takeover of German generic-drug maker Stada Arzneimittel AG (SAZ), people familiar with the matter said. Sun has sought to raise about $1 billion for a European deal, said one person familiar with the matter, who asked not to be identified as the process is private. Company executives recently toured Europe to meet with potential targets, another person said.